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  1. Core Server
  2. SERVER-70686

remainingInitialSyncEstimatedMillis progresses through negative values

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    • Type: Icon: Bug Bug
    • Resolution: Unresolved
    • Priority: Icon: Major - P3 Major - P3
    • None
    • Affects Version/s: 4.4.17
    • Component/s: None
    • None
    • Replication
    • ALL
    • v6.0
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      1. Create a Replica Set on 4.4.17 with at least 3 members. 
      2. Load it with a large amount of data
      3. Perform an initial sync on one of the secondaries
      4. Keep adding data to the primary in a constant manner
      5. Check for remainingInitialSyncEstimatedMillis from replica set status
      Show
      Create a Replica Set on 4.4.17 with at least 3 members.  Load it with a large amount of data Perform an initial sync on one of the secondaries Keep adding data to the primary in a constant manner Check for remainingInitialSyncEstimatedMillis from replica set status

      Observed in MongoDB Server 4.4.17 with a node in ST2. 

      The value for remainingInitialSyncEstimatedMillis goes to negative values:

       "remainingInitialSyncEstimatedMillis": -4589051,

      The expected behaviour would be to adjust the estimation as it progresses to determine if the original was actually accurate. 

            Assignee:
            backlog-server-repl [DO NOT USE] Backlog - Replication Team
            Reporter:
            enrique.garneloprediger@mongodb.com Enrique Garnelo Prediger
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              Created:
              Updated: